𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Calculation of adsorption energies in carbon micropores

✍ Scribed by J.K. Floess; Yolanda Vanlishout

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
719 KB
Volume
30
Category
Article
ISSN
0008-6223

No coin nor oath required. For personal study only.

✦ Synopsis

Adsorption energies for different surface and pore configurations were calculated by summing the Lennard-Jones potential for the interaction of an adsorbate molecule with the carbon surface. The calculations provide information on the adsorption potential as a function of pore configuration and spacing from which an energy distribution for physisorption was estimated. The results ofthe calculations also show that restricted diffusion occurs only for a small range of pore sizes between approximately 6.4 and 5.8 A; in larger pores, the adsorbate is mobile, whereas pores smaller than 5.8 A are largely inaccessible. A diffusion model for microporous carbons is proposed where the diffusion rate depends on the rate of transport from one adsorption site to an adjacent one and not on the rate of transport within a pore itself.

πŸ“œ SIMILAR VOLUMES

The adsorption potential of argon in sli
The adsorption potential of argon in slit-shaped micropores of active carbon
✍ L.F. Smirnova; V.A. Bakaev; M.M. Dubinin πŸ“‚ Article πŸ“… 1987 πŸ› Elsevier Science 🌐 English βš– 420 KB

The adsorption potential of argon in active carbon has been calculated under the assumption of a limited-size slit-shaped micropore enclosed between two walls formed by the basic atomic planes of graphite. As the slit width becomes smaiier than a certain critical value an energy barrier arises at th

Adsorption of hydrogen sulfide on microp
Adsorption of hydrogen sulfide on microporous carbon
✍ O.C. Cariaso; P.L. Walker Jr. πŸ“‚ Article πŸ“… 1975 πŸ› Elsevier Science 🌐 English βš– 104 KB

Information on the interaction of H,S with surfaces, including carbon, is of increasing importance as interest grows on its removal from gaseous streams. For example, a carbon surface is an active catalyst for the oxidation of H,S to elemental sulfur [l]. In this study, the uptake of H,S on Saran c

Fundamentals of the theory of adsorption
Fundamentals of the theory of adsorption in micropores of carbon adsorbents: Characteristics of their adsorption properties and microporous structures
✍ M.M. Dubinin πŸ“‚ Article πŸ“… 1989 πŸ› Elsevier Science 🌐 English βš– 1022 KB

At the basis of the theory of vapor adsorption in the micropores of carbon adsorbents of the most probable slit-like, limited-size type lie the dispersion interactions between the adsorbate and adsorbent atoms as well as between the atoms of the adsorbed substance themselves. As a consequence of com